Hello, As there has been some discussion on what the CFMU validation results mean and what to do about them, I decided to write a small post about how you can go from a route that does not pass validation to a route passes without errors. This post uses the route EGCC - EDDF that was talked about on another topic here on the forum. Remember that this is just one way to solve the problem, but here we go. --- FIRST PASS The first thing I do, is I go to the route editor (Route manager >